Hanchi Auto Parts
6251-61-1101 Water Pump Suitable for Komatsu PC400-8 PC450-8 High Quality
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The OE number 6251-61-1101 identifies a water pump fitted to PC400-8, PC450-8, 6D125E-5 and other listed engines. We stock a direct replacement built to the same shaft and pulley heights. One pump weighs 10.60 kg; a full carton holds 2.
Which engines use the 6251-61-1101 water pump?
The OE application list reads: PC400-8; PC450-8; 6D125E-5.
Any engine on this list takes our replacement as a straight swap.
What are the specifications of 6251-61-1101?
| Parameter | Value |
| OE number | 6251-61-1101 |
| Fits brand | Komatsu |
| TO Shaft head height | 160.3 |
| Mounting hole position | Aligned to OE mounting points |
| Threads on the pump body | 9-M10X1.5 |
| TO Gear height | 157.2 |
| TO Impeller height Ⅰ | 0.8 |
| Installation of water pipes | Water pipe fitted complete, no deformation |
| Air tightness testing | No leakage detected under negative pressure of 0.1 MPa |
| Appearance Ⅰ | Neutral finish, no third-party logos |
| Appearance Ⅱ | Clean surface: no dirt, rust or paint peeling |
| Assembly rotation | Turns freely by hand, no sticking or noise |
| Number of Teeth | 22 |
| Included Component 1 | O120X3.1-3 |
| Net weight | 10.60 kg |
| Packing | 2 pcs/ctn, 23.00 kg gross |
What part numbers interchange with 6251-61-1101?
Dealers and fleet systems quote this pump under more than one OE number:
- 6251-61-1102
Packing and quality checks
Logistics data: 2 pcs/ctn, 23.00 kg gross, 51.5 x 29 x 26 cm.
Before boxing, each pump passes a negative-pressure leak check and a hand-rotation check for smooth, noise-free bearing movement.
Frequently asked questions
What vehicles or engines does 6251-61-1101 fit?
6251-61-1101 fits PC400-8, PC450-8, 6D125E-5 and other listed engines. It is a Komatsu application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 6251-61-1101?
6251-61-1101 interchanges with 6251-61-1102. All of these refer to the same water pump assembly.
Is 6251-61-1101 available from stock?
Yes, this number is in regular production. Lead time for carton quantities is usually a few days; ask us for current stock before ordering.
How much does the 6251-61-1101 water pump weigh?
One pump weighs 10.60 kg net. A full carton of 2 pieces comes to 23.00 kg gross.
Message us with the OE number off your old pump. We reply with fitment confirmation and a price the same day.
Send the OE number, your quantity and your destination port — feel free to Contact Us. We reply with fitment confirmation and a quote.
OEM Avalible
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